AT2780PCI

Multi-standard Modulator
DVB-T/H/C ( QAM-A/B/C ) & ATSC 8-VSB Modulator
VHF & UHF Up-converter
IF & RF outputs
DVB-ASI input & output
DVB-SPI input

Standard Features:

Combined COFDM, QAM & ATSC Modulator with VHF & UHF Upconverter.
PCI 2.2, 32 bit, 33/66MHz 3.3V.
Bus Master DMA, Scatter /Gather Interface Protocol.
Windows 2000, XP Drivers & SDK and Linux Drivers.
Accompanied by DVSStation3 Alitronika's Application Software.
Supports DVB According to Standard A1010 Rev1 and EN50083.
Modulation of Transport Stream files from Harddisk.
Modulation of Transport Stream from the ASI or SPI inputs.
All modulation processes are carried out by the hardware so that there is no load on the PC processor,
   So there is no need for an expensive high performance PC.
Supports Burst or continuous modes, 188 and 204 packet sizes.
Bitrates:
- DVB-T/H : 4.98 MB/s to 31.67 MB/S.
- DVB-C : 14 MB/s to 65 MB/S.
- ATSC : 10.76 MBaud to 19.30 MBaud.
Input
DVB-ASI input. 
DVB-SPI input.
Output
RF Output.
IF Outputs ( one internally, SMB connector,  to be used inside the PC to connect to other boards ).
DVB-ASI output for monitoring the modulated TS file.

Block Diagram:

Application:

Targeted for Digital Video Professionals, Sophisticated End Users and OEMs
the AT2780PCI is an ideal solution for a number of applications such as:
Development Tools for DVB-T/H/C Receiver R&D.
IP to DVB Gateway.
DVB-T/H/C & ATCS Transport Stream Generation.
Stand alone COFDM ( Terrestrial ), QAM ( Cable TV ) & ATSC signal generator for Test & Validation.
Demonstration and Trade Shows.
DVB-T/H/C & ATSC output for OEM product.

Specification:

General Spec.
On Board Buffer: 16 Mbytes.
IF Connector: 75 Ohms BNC.
IF Output Frequency: 35-37 MHz or 69-71MHz adjustable in 1Hz steps.
RF Connector: 75 Ohms BNC.
RF Output Frequency Range: 50MHz to 1000MHz.
RF Output Power over bandwidth: +2dBm to -35dBm, adjustable in 0.5dB steps.
DVB-T/H Spec.
Channel Bandwidth: 5MHz, 6MHz, 7MHz, 8MHz.
COFDM Spectrum: 2k,4k and 8k carriers non-hierarchical.
Standards: COFDM according EN 300 744.
Modulation Modes: QPSK, 16QAM and 64QAM.
Guard Interval Modes: 1/32, 1/16, 1/8 and 1/4.
FEC Code Rates: 1/2, 2/3, 3/4,5/6, 7/8.
Spectral Inversion: Both inverted and non-inverted.
DVB-C Spec.
Channel Bandwidth: 6MHz, 8MHz.
Standards: QAM according EN 300 744.
Modulation Modes: 16QAM, 32QAM, 64QAM, 128QAM and 256QAM.
ATSC 8-VSB Spec.
Channel Bandwidth: 6MHz.
Standards: A/53 8-VSB.
DVB-ASI/SPI Spec.
DVB-ASI Input/Output Connectors: 75 Ohms BNC.
DVB-ASI Output Signal level: 1.0Vp-p nominal.
DVB-ASI Output Clock: 270 MHz.
DVB-ASI Input return loss: 15dB.
DVB-ASI Output Bit Rate: 0 to 214 Mbit/s ( up to Max. allowable bitrate for DVB-T/H/C, ATSC modulation).
DVB-SPI Connector: 25-pin sub-D.
DVB-SPI Input Level: LVDS.
DVB-SPI Input Bit Rate: 0 to 108 Mbit/s ( up to Max. allowable bitrate for DVB-T/H/C, ATSC modulation).

Application Software:

Play Screen-Modulation TS files from PC

Record Screen-Modulationg TS from an external (ASI/SPI) source

Modulation Settings - DVB-T/H 

Modulation Settings - DVB-C 

Modulation Settings - DVB-ATSC 

RF Settings